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CN102808597B - Oil draining device for oil pipe - Google Patents

Oil draining device for oil pipe Download PDF

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Publication number
CN102808597B
CN102808597B CN201210302411.7A CN201210302411A CN102808597B CN 102808597 B CN102808597 B CN 102808597B CN 201210302411 A CN201210302411 A CN 201210302411A CN 102808597 B CN102808597 B CN 102808597B
Authority
CN
China
Prior art keywords
oil
rail groove
lock tube
pin
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210302411.7A
Other languages
Chinese (zh)
Other versions
CN102808597A (en
Inventor
易鲁川
郗荣才
郭文峰
郎立术
张晔
杨涛
张顺慈
房环环
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Yixin Pharmaceutical Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201210302411.7A priority Critical patent/CN102808597B/en
Publication of CN102808597A publication Critical patent/CN102808597A/en
Application granted granted Critical
Publication of CN102808597B publication Critical patent/CN102808597B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Branch Pipes, Bends, And The Like (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The invention relates to an oil draining device for an oil pipe. A friction mechanism is sleeved on the upper part of an inner pipe; an oil draining hole is formed on the lower part of the inner pipe; a sealing sleeve covers the oil draining hole; a pin is arranged on the inner pipe; a lock sleeve is sleeved outside the inner pipe and provided with a vertical rail groove and a horizontal rail groove; the rear end of the pin is positioned in the horizontal rail groove on the lock sleeve; the pin can arrive at the vertical rail groove on the lock sleeve; an upper convex key is arranged at the lower end of the friction mechanism; a lower convex key is arranged at the upper end of the lock sleeve; the friction mechanism is positioned above the lock sleeve; the sealing sleeve is connected to the inner pipe through a shear pin; a cone is arranged on the lower part of the lock sleeve and provided with a slip; a slip bracket is hung on the lower part of the slip; the internal diameter of the slip bracket is smaller than the external diameter of the sealing sleeve; and a small-diameter section of the slip bracket is positioned above the sealing sleeve. When the oil pipe is lifted, rotated and lifted, the slip is opened outwards and anchored on the inner wall of a casing, force for lifting the oil pipe acts on the shear pin, the shear pin is sheared, the sealing sleeve moves downwards to drain oil, and the force for lifting the oil pipe can ensure that the sealing sleeve moves downwards. The device drains the oil reliably.

Description

Tubing drain
Technical field
The present invention is the downhole tool of oil extraction in oil field, is a kind of tubing drain.
Background technology
Chinese patent application 201020617851.8 " tubing drain ", although do not need to unscrew screw thread, but lean on the frictional force produced between friction mechanism and sleeve pipe to make lock tube 5 and interior pipe 3 produce relative motion ability draining, the frictional force produced between friction mechanism and sleeve pipe in the situation such as fouling, corrosion can not make lock tube 5 and interior pipe 3 produce relative motion, so there is the insecure problem of draining.
Summary of the invention
The object of the invention is the deficiency avoiding existing bleeder, a kind of tubing drain is provided, putting forward the thrust that oil pipe increases sealing shroud on after rotating during by carrying oil pipe, ensureing the descending reliable draining realizing bleeder of sealing shroud.
The object of the present invention is achieved like this: comprise interior pipe, friction mechanism, lock tube, pin, sealing shroud, friction mechanism is sleeved on the top of interior pipe, oil leak hole is arranged at interior pipe bottom, sealing shroud covers oil leak hole, pin is installed on inner pipe, lock tube is sleeved on outside interior pipe, lock tube is arranged perpendicular rail groove, horizontal rail groove, perpendicular rail groove, horizontal rail groove communicates, pin rear end is in the horizontal rail groove on lock tube, pin can arrive in the perpendicular rail groove on lock tube, there is epirelief key friction mechanism lower end, there is lower convex key lock tube upper end, friction mechanism is on lock tube, sealing shroud connects on inner pipe by shear pin, cone is arranged at lock tube bottom, cone installs slips, slips lower suspension slips support, the internal diameter of slips support is less than the external diameter of sealing shroud, the reduced diameter section of slips support is on sealing shroud.
The invention has the beneficial effects as follows: after the present invention carrying oil pipe rotation pipeline again on when carrying oil pipe, slips outwards struts anchor on internal surface of sleeve pipe, on carry oil pipe masterpiece be used on shear pin, shear pin is made to be cut off the descending draining of sealing shroud, on carry oil pipe power can ensure that sealing shroud is descending, therefore, draining of the present invention is reliable.
Accompanying drawing explanation
Fig. 1 is the assembling drawing of the embodiment of the present invention.
Fig. 2 is the raceway surface expanded view of part 5 in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described.
Embodiments of the invention comprise interior pipe 1, friction mechanism 2, lock tube 5, pin 6, cone 7, slips 8, slips support 9, sealing shroud 10, shear pin 11, friction mechanism 2 is sleeved on the top of interior pipe 1, oil leak hole 14 is arranged at interior pipe 1 bottom, sealing shroud 10 covers oil leak hole 14, pin 6 is arranged on interior pipe 1, lock tube 5 is sleeved on outside interior pipe 1, lock tube 5 is arranged perpendicular rail groove 12, horizontal rail groove 13, perpendicular rail groove 12, horizontal rail groove 13 communicates, when going into the well, pin 6 rear end is in the horizontal rail groove 13 li on lock tube 5, pin 6 can arrive the perpendicular rail groove 12 li on lock tube 5, there is epirelief key 3 friction mechanism 2 lower end, there is lower convex key 4 lock tube 5 upper end, epirelief key 23, lower convex key 4 is buckled together can transmitting torque, to make friction mechanism 2 fix lock tube 5 non rotating.Epirelief key 3 can process from friction mechanism 2, and also can install parts in addition and form epirelief key 3, lower convex key 4 can process from lock tube 5 lower surface, also can install parts in addition and form lower convex key 4.Friction mechanism 2 is on lock tube 5, sealing shroud 10 is connected on interior pipe 1 by shear pin 11, all the time oil leak hole 14 is sealed with during oil well production to make to go into the well, cone 7 is arranged at lock tube 5 bottom, in the present embodiment, cone 7 is with being threaded in lock tube 5 bottom, lock tube 5 and cone 7 also can be integrative-structure (but will change lock tube 5 superstructure), cone 7 is installed slips 8, slips 8 is mounted in slip groove, slip groove in cone 7 is swallow-tail form, swallow tail shaped slot in cone 7 can hang slips 8 (identical with packer construction), slips 8 lower suspension slips support 9 (identical with packer construction), the internal diameter of slips support 9 is less than the external diameter of sealing shroud 10, the reduced diameter section of slips support 9 is on sealing shroud 10, object is to sealing shroud 10 by the axial force transmission in slips support 9, it is descending that slips support 9 can push sealing shroud 10.
In the process of going into the well, slips support 9 is up there is midway grappling problem, and slips support 9 wants spacing on interior pipe 1, makes slips support 9 can only be descending relative to interior pipe 1, can not be up.Limit method in the present embodiment as shown in the figure, also can be processed reducing shoulder, make the upper end of slips support 9 be in the lower limit of reducing shoulder on interior pipe 1.
Friction mechanism 2 lower end and lock tube 5 can link into an integrated entity, but this structural friction mechanism 2 is wear sleeve easily, because the string creep produced in the oil well pump course of work can cause friction mechanism 2 together to move with tubing string, and friction mechanism 2 is tightly attached on sleeve pipe, so easy wear sleeve, therefore, a segment distance should be had between friction mechanism 2 lower end and lock tube 5 upper end, that string creep in order to produce in the oil well pump course of work can not cause friction mechanism 2 together to move with tubing string, the distance of friction mechanism 2 lower end and lock tube 5 upper end must be greater than the string creep amount produced in the oil well pump course of work, during the work of guarantee oil well pump, friction mechanism 2 does not together move with tubing string.
Brake pad external diameter on friction mechanism 2 is greater than casing inner diameter, can change with casing inner diameter, and under the action of the spring, brake pad is close to internal surface of sleeve pipe, and produces friction between sleeve pipe.
The present invention is arranged on the oil well pump of pumping pipe string, and with oil pipe G.I.H, going into the well with in manufacturing process, pin 6 is all in the horizontal rail groove 13 li on lock tube 5.When needs draining, on carry oil pipe, the lower convex key 4 of the epirelief key 3 of friction mechanism 2 lower end and lock tube 5 upper end is buckled together, rotation pipeline again, interior pipe 1 rotates, lock tube 5 and the integral non rotating of friction mechanism 2 (realizing by the frictional force between friction mechanism 2 and sleeve pipe), the lower end of the perpendicular rail groove 12 on lock tube 5 is moved in the horizontal rail groove 13 of pin 6 on lock tube 5, oil pipe is carried again, interior pipe 1 is up, up in the perpendicular rail groove 12 of pin 6 on lock 5, lock tube 5 can not be up with interior pipe 1, cone 7 is just not up yet, sealing shroud 10 is up with interior pipe 1, sealing shroud 10 just drives slips support 9, slips 8 is up, under the conical surface effect of cone 7 and slips 8, slips 8 outwards struts and is anchored on sleeve pipe, oil pipe is carried in continuation, shear pin 11 is cut off,
It is descending that sealing shroud 10 and interior pipe 1 produce relative motion, and sealing shroud 10 is the oil leak hole 14 of pipe 1 bottom in covering not, and oil leak hole 14 internal and external antithetical couplet on interior pipe 1 is removed heat by catharsis oil.After sealing shroud 10 is descending, lose the support to slips support 9, slips support 9, slips 8 are descending, and slips 8 is regained, and the present invention can propose smoothly.
Interior pipe 1 has one section of thickness comparatively large, for saving material, and can design mix body structure.

Claims (1)

1. a tubing drain, comprise interior pipe (1), friction mechanism (2), lock tube (5), pin (6), sealing shroud (10), friction mechanism (2) is sleeved on the top of interior pipe (1), oil leak hole (14) is arranged at interior pipe (1) bottom, sealing shroud (10) covers oil leak hole (14), pin (6) is arranged on interior pipe (1), lock tube (5) is sleeved on interior pipe (1) outward, lock tube (5) is arranged perpendicular rail groove (12), horizontal rail groove (13), perpendicular rail groove (12), horizontal rail groove (13) communicates, the horizontal rail groove (13) that pin (6) rear end is on lock tube (5) is inner, the perpendicular rail groove (12) that pin (6) can arrive on lock tube (5) is inner, there is epirelief key (3) friction mechanism (2) lower end, there is lower convex key (4) lock tube (5) upper end, friction mechanism (2) is on lock tube (5), it is characterized in that: sealing shroud (10) is connected on interior pipe (1) by shear pin (11), cone (7) is arranged at lock tube (5) bottom, cone (7) is installed slips (8), slips (8) lower suspension slips support (9), the internal diameter of slips support (9) is less than the external diameter of sealing shroud (10), the reduced diameter section of slips support (9) is on sealing shroud (10).
CN201210302411.7A 2012-08-17 2012-08-17 Oil draining device for oil pipe Expired - Fee Related CN102808597B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210302411.7A CN102808597B (en) 2012-08-17 2012-08-17 Oil draining device for oil pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210302411.7A CN102808597B (en) 2012-08-17 2012-08-17 Oil draining device for oil pipe

Publications (2)

Publication Number Publication Date
CN102808597A CN102808597A (en) 2012-12-05
CN102808597B true CN102808597B (en) 2015-05-27

Family

ID=47232448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210302411.7A Expired - Fee Related CN102808597B (en) 2012-08-17 2012-08-17 Oil draining device for oil pipe

Country Status (1)

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CN (1) CN102808597B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111219164A (en) * 2018-11-26 2020-06-02 东营咸亨工贸有限公司 Oil drain device of oil pumping pipe column

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700782A (en) * 1986-11-07 1987-10-20 Dresser Industries, Inc. Flow control valve for use in oil and gas wells and the like
CN101148977A (en) * 2007-10-10 2008-03-26 白霞 Oil-tube draining device
CN101275461A (en) * 2007-03-27 2008-10-01 白霞 Separate type oil riser bleeder
CN201391284Y (en) * 2009-03-27 2010-01-27 天津市大港区龙新石油机械制造有限公司 Multifunctional oil drain device
CN201843584U (en) * 2010-11-10 2011-05-25 白霞 Tubing draining device
CN202090894U (en) * 2011-06-09 2011-12-28 中国石油天然气股份有限公司 slip lifting type oil drain device
CN202767946U (en) * 2012-08-17 2013-03-06 易鲁川 Oil tube bleeder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700782A (en) * 1986-11-07 1987-10-20 Dresser Industries, Inc. Flow control valve for use in oil and gas wells and the like
CN101275461A (en) * 2007-03-27 2008-10-01 白霞 Separate type oil riser bleeder
CN101148977A (en) * 2007-10-10 2008-03-26 白霞 Oil-tube draining device
CN201391284Y (en) * 2009-03-27 2010-01-27 天津市大港区龙新石油机械制造有限公司 Multifunctional oil drain device
CN201843584U (en) * 2010-11-10 2011-05-25 白霞 Tubing draining device
CN202090894U (en) * 2011-06-09 2011-12-28 中国石油天然气股份有限公司 slip lifting type oil drain device
CN202767946U (en) * 2012-08-17 2013-03-06 易鲁川 Oil tube bleeder

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Publication number Publication date
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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB03 Change of inventor or designer information

Inventor after: Yi Luchuan

Inventor after: Xi Rongcai

Inventor after: Guo Wenfeng

Inventor after: Lang Lishu

Inventor after: Zhang Ye

Inventor after: Yang Tao

Inventor after: Zhang Shunci

Inventor after: Fang Huanhuan

Inventor before: Yao Yan

Inventor before: Sun Yuhua

Inventor before: Cui Xiaoming

Inventor before: Xi Rongcai

Inventor before: Guo Wenfeng

Inventor before: Shi Hongyan

Inventor before: Yi Luchuan

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: YAO YAN SUN YUHUA CUI XIAOMING XI RONGCAI GUO WENFENG SHI HONGYAN YI LUCHUAN TO: YI LUCHUAN XI RONGCAI GUO WENFENG LANG LISHU ZHANG YE YANG TAO ZHANG SHUNCI FANG HUANHUAN

C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent of invention or patent application
CB03 Change of inventor or designer information

Inventor after: Guo Wenfeng

Inventor after: Xi Rongcai

Inventor after: Tang Huan

Inventor after: Lang Lishu

Inventor after: Zhang Ye

Inventor after: Yang Tao

Inventor after: Zhang Shunci

Inventor after: Fang Huanhuan

Inventor before: Yi Luchuan

Inventor before: Xi Rongcai

Inventor before: Guo Wenfeng

Inventor before: Lang Lishu

Inventor before: Zhang Ye

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Inventor before: Fang Huanhuan

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: YI LUCHUAN XI RONGCAI GUO WENFENG LANG LISHU ZHANG YE YANG TAO ZHANG SHUNCI FANG HUANHUAN TO: GUO WENFENG XI RONGCAI TANG HUAN LANG LISHU ZHANG YE YANG TAO ZHANG SHUNCI FANG HUANHUAN

TR01 Transfer of patent right

Effective date of registration: 20171208

Address after: 402460, Rongchang County, Panlong County, Panlong County, Chongqing province 2 clubs

Patentee after: Chongqing Yong Qing Huaqing agricultural science and Technology Development Co.,Ltd.

Address before: 7-173 mailbox, Shengli oil production plant, Dongying District, Shandong, Dongying 257051, China

Patentee before: Yi Luchuan

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190925

Address after: Room 501, Office Building of Market Supervision Bureau of Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province

Patentee after: Xuancheng Geith Intellectual Property Operations Co.,Ltd.

Address before: 402460 Changzhou Village 2 Society, Panlong Town, Rongchang County, Chongqing

Patentee before: Chongqing Yong Qing Huaqing agricultural science and Technology Development Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201204

Address after: Ji'an City, Jiangxi province 343900 area Suichuan County Yunling industry

Patentee after: JIANGXI SUICHUAN TONGMING ELECTRONIC TECHNOLOGY Co.,Ltd.

Address before: Room 501, Office Building of Market Supervision Bureau of Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province

Patentee before: Xuancheng Geith Intellectual Property Operations Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230706

Address after: No. 60, North Area, Shaziling Industrial Park, Suichuan County, Ji'an City, Jiangxi Province, 343900

Patentee after: JIANGXI YIXIN PHARMACEUTICAL Co.,Ltd.

Address before: 343900 Yunling industrial concentration area, Suichuan County, Ji'an, Jiangxi

Patentee before: JIANGXI SUICHUAN TONGMING ELECTRONIC TECHNOLOGY Co.,Ltd.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150527

CF01 Termination of patent right due to non-payment of annual fee